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Fall and Spring Cattle Deworming Guidelines

Your cattle's health is important. The key to keeping them healthy is to deworm them regularly and at the right time of year. Strategic deworming involves developing a program based on your climate and parasite challenge. Keep your herd healthy with the following map and deworming guidelines.

The following map shows estimated period when parasite exposure first begins in the spring:

March 1 (Deep South)

March 1 - April 15 (Central)

April 15 - May 15 (North)

Fall Deworming Program

Deworm all cows, calves and bulls as soon as possible following the first killing frost or freeze. A killing frost is one severe enough to kill a tomato plant.

If your region has not received a killing frost or freeze by Thanksgiving, then proceed with fall deworming as soon as possible.

Spring Deworming Program

Determine the estimated period when parasite exposure first begins in the spring. (See map above)